Pen stand



FIG. 1 is a front elevational view of a pen stand showing my new design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a “pen stand,” as shown and described. 